Finding the Fourth Proportional to 293,411,717.70, 440,117,576.55 and 157,362,821.70
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Solution
The fourth proportional to 293,411,717.70, 440,117,576.55 and 157,362,821.70 is: 236,044,232.55
Step by Step Solution
- Step 1: Write the proportion equation
293,411,717.70 : 440,117,576.55 = 157,362,821.70 : x - Step 2: Convert to fraction form
293,411,717.70/440,117,576.55 = 157,362,821.70/x - Step 3: Cross multiply
293,411,717.70x = 440,117,576.55 × 157,362,821.70 - Step 4: Simplify right side
293,411,717.70x = 69,258,143,725,673,744 - Step 5: Solve for x
x = 69,258,143,725,673,744/293,411,717.70 - Step 6: Final answer
x = 236,044,232.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.